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From: Rusty Russell <rusty@rustcorp.com.au>
To: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Jens Axboe <jens.axboe@oracle.com>,
	virtualization@lists.linux-foundation.org, kvm@vger.kernel.org
Subject: Re: [PATCH v2] virtio_blk: check for hardsector size from host
Date: Fri, 30 May 2008 13:41:45 +1000	[thread overview]
Message-ID: <200805301341.46175.rusty@rustcorp.com.au> (raw)
In-Reply-To: <200805291108.26375.borntraeger@de.ibm.com>

On Thursday 29 May 2008 19:08:26 Christian Borntraeger wrote:
> Currently virtio_blk assumes a 512 byte hard sector size. This can cause
> trouble / performance issues if the backing has a different block size
> (like a file on an ext3 file system formatted with 4k block size or a
> dasd).
>
> Lets add a feature flag that tells the guest to use a different hard sector
> size than 512 byte.
>
> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>

Thanks.  I've queued this for next kernel (the other two will go 
striaght-away).

Cheers,
Rusty.

  reply	other threads:[~2008-05-30  3:42 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-27  9:04 [PATCH/RFC] virtio_blk: check for hardsector size from host Christian Borntraeger
2008-05-29  8:04 ` Rusty Russell
2008-05-29  8:11   ` Christian Borntraeger
2008-05-29  8:11   ` Christian Borntraeger
2008-05-29  8:12   ` Jens Axboe
2008-05-29  8:12   ` Jens Axboe
2008-05-29  8:13     ` Jens Axboe
2008-05-29  8:27       ` Christian Borntraeger
2008-05-29  8:27       ` Christian Borntraeger
2008-05-29  8:30         ` Jens Axboe
2008-05-29  8:30         ` Jens Axboe
2008-05-29  9:08           ` [PATCH] virtio_config: fix len calculation of config elements Christian Borntraeger
2008-05-30  3:18             ` Rusty Russell
2008-05-30  3:18             ` Rusty Russell
2008-05-29  9:08           ` Christian Borntraeger
2008-05-29  9:08           ` [PATCH v2] virtio_blk: check for hardsector size from host Christian Borntraeger
2008-05-29  9:08           ` Christian Borntraeger
2008-05-30  3:41             ` Rusty Russell [this message]
2008-05-30  3:41             ` Rusty Russell
2008-05-29  8:13     ` [PATCH/RFC] " Jens Axboe
2008-05-29  8:04 ` Rusty Russell

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